--- trunk/configure	2007/10/08 16:18:11	6
+++ trunk/configure	2007/10/08 16:18:27	10
@@ -27,7 +27,7 @@
 #  SUCH DAMAGE.
 #
 #
-#  $Id: configure,v 1.132 2005/06/04 12:05:50 debug Exp $
+#  $Id: configure,v 1.140 2005/06/27 17:31:50 debug Exp $
 #
 #  This is a minimal configure script, hardcoded for GXemul. This script
 #  figures out which compiler flags will work, and creates Makefiles in
@@ -52,17 +52,18 @@
 #    o)  prefetch capability  (TODO: this is assumed on Alpha, but not all
 #                              Alphas have it...)
 #
+#  TODO:
+#    o)  do not enable prefetch on Alpha ev4 or ev5, only on pca56 and newer
+#    o)  X11 libs and includes via command line options?
+#
 ###############################################################################
 
-ENABLEALPHA=NO
-ENABLEARM=NO
-ENABLEHPPA=NO
+ENABLEARM=YES
 ENABLEMIPS=YES
 ENABLEPPC=YES
-ENABLESPARC=NO
 ENABLEURISC=YES
 ENABLEX86=NO
-STABLE=YES
+STABLE=NO
 
 if [ z"$*" != z ]; then
 	#  Parse command line options:
@@ -71,6 +72,8 @@
 			NOX11=YES
 		else if [ z$a = z--always32 ]; then
 			ALWAYS32=YES
+		else if [ z$a = z--tracenull ]; then
+			TRACENULL=YES
 		else if [ z$a = z--disable-bintrans ]; then
 			NOBINTRANS=YES
 		else if [ z$a = z--enable-bintrans ]; then
@@ -79,18 +82,10 @@
 			MIPS16=NO
 		else if [ z$a = z--enable-mips16 ]; then
 			MIPS16=YES
-		else if [ z$a = z--disable-alpha ]; then
-			ENABLEALPHA=NO
-		else if [ z$a = z--enable-alpha ]; then
-			ENABLEALPHA=YES
 		else if [ z$a = z--disable-arm ]; then
 			ENABLEARM=NO
 		else if [ z$a = z--enable-arm ]; then
 			ENABLEARM=YES
-		else if [ z$a = z--disable-hppa ]; then
-			ENABLEHPPA=NO
-		else if [ z$a = z--enable-hppa ]; then
-			ENABLEHPPA=YES
 		else if [ z$a = z--disable-mips ]; then
 			ENABLEMIPS=NO
 		else if [ z$a = z--enable-mips ]; then
@@ -99,10 +94,6 @@
 			ENABLEPPC=NO
 		else if [ z$a = z--enable-ppc ]; then
 			ENABLEPPC=YES
-		else if [ z$a = z--disable-sparc ]; then
-			ENABLESPARC=NO
-		else if [ z$a = z--enable-sparc ]; then
-			ENABLESPARC=YES
 		else if [ z$a = z--disable-urisc ]; then
 			ENABLEURISC=NO
 		else if [ z$a = z--enable-urisc ]; then
@@ -125,6 +116,8 @@
 			echo "  --always32         enable" \
 			    "ALWAYS_SIGNEXTEND_32 (for hunting down"
 			echo "                     32/64-bit bugs)"
+			echo "  --tracenull        enable" \
+			    "TRACE_NULL_CRASHES (for bug hunting)"
 			printf "\nGeneral options:\n"
 			echo "  --disable-bintrans configure without" \
 			    "bintrans, even if the host supports it"
@@ -134,24 +127,9 @@
 			    "latency/delay emulation"
 			echo "  --disable-x        don't include X11 support"
 			printf "\nCPU selection options:\n"
-			if [ z$STABLE = zNO ]; then
-				printf "  --enable-alpha     "
-				printf "enable Alpha CPU emulation"
-				printf " (NOT YET)\n"
-				printf "  --enable-arm       "
-				printf "enable ARM CPU emulation"
-				printf " (NOT YET)\n"
-				printf "  --enable-hppa      "
-				printf "enable HPPA CPU emulation"
-				printf " (NOT YET)\n"
-			fi
+			echo "  --disable-arm      disable ARM CPU emulation"
 			echo "  --disable-mips     disable MIPS CPU emulation"
 			echo "  --disable-ppc      disable PPC CPU emulation"
-			if [ z$STABLE = zNO ]; then
-				printf "  --enable-sparc     "
-				printf "enable SPARC CPU emulation"
-				printf " (NOT YET)\n"
-			fi
 			echo "  --disable-urisc    disable URISC CPU emulation"
 			if [ z$STABLE = zNO ]; then
 				printf "  --enable-x86       "
@@ -168,7 +146,7 @@
 			    "available options."
 			exit
 		fi; fi; fi; fi; fi; fi; fi; fi; fi; fi; fi; fi; fi; fi; fi
-		fi; fi; fi; fi; fi; fi; fi; fi; fi; fi; fi; fi
+		fi; fi; fi; fi; fi; fi; fi
 	done
 fi
 
@@ -192,7 +170,7 @@
 #  Figure out if VERSION should be defined.
 X=`basename \`pwd\`|cut -d \- -f 2-`
 if [ z"$X" = zgxemul ]; then
-	echo '#  No VERSION defined.' >> _Makefile.header
+	echo '/*  No VERSION defined.  */' >> config.h
 else
 	printf "#define VERSION \"$X\"\n" >> config.h
 fi
@@ -209,35 +187,8 @@
 	printf 'NOTE: MIPS16 support is not really working yet.\n'
 	printf "#define ENABLE_MIPS16\n" >> config.h
 fi
-if [ z$ENABLEALPHA = zYES ]; then
-	printf "#define ENABLE_ALPHA\n" >> config.h
-	if [ z$STABLE = zNO ]; then
-		printf "\nWARNING: Alpha emulation enabled, but it isn't really"
-		printf " implemented yet.\n\n"
-	else
-		printf "Not in the stable release.\n"
-		exit
-	fi
-fi
 if [ z$ENABLEARM = zYES ]; then
 	printf "#define ENABLE_ARM\n" >> config.h
-	if [ z$STABLE = zNO ]; then
-		printf "\nWARNING: ARM emulation enabled, but it isn't really"
-		printf " implemented yet.\n\n"
-	else
-		printf "Not in the stable release.\n"
-		exit
-	fi
-fi
-if [ z$ENABLEHPPA = zYES ]; then
-	printf "#define ENABLE_HPPA\n" >> config.h
-	if [ z$STABLE = zNO ]; then
-		printf "\nWARNING: HPPA emulation enabled, but it isn't really"
-		printf " implemented yet.\n\n"
-	else
-		printf "Not in the stable release.\n"
-		exit
-	fi
 fi
 if [ z$ENABLEMIPS = zYES ]; then
 	printf "#define ENABLE_MIPS\n" >> config.h
@@ -245,16 +196,6 @@
 if [ z$ENABLEPPC = zYES ]; then
 	printf "#define ENABLE_PPC\n" >> config.h
 fi
-if [ z$ENABLESPARC = zYES ]; then
-	printf "#define ENABLE_SPARC\n" >> config.h
-	if [ z$STABLE = zNO ]; then
-		printf "\nWARNING: SPARC emulation enabled, but it isn't really"
-		printf " implemented yet.\n\n"
-	else
-		printf "Not in the stable release.\n"
-		exit
-	fi
-fi
 if [ z$ENABLEURISC = zYES ]; then
 	printf "#define ENABLE_URISC\n" >> config.h
 fi
@@ -277,7 +218,7 @@
 fi
 
 
-#  Instruction delay/latency emulation:
+#  Development option: ALWAYS_SIGNEXTEND_32
 if [ z$ALWAYS32 = zYES ]; then
 	echo 'Enabling ALWAYS_SIGNEXTEND_32. (NOTE:' \
 	    'This slows down everything.)'
@@ -285,6 +226,14 @@
 fi
 
 
+#  Development option: TRACE_NULL_CRASHES
+if [ z$TRACENULL = zYES ]; then
+	echo 'Enabling TRACE_NULL_CRASHES. (NOTE:' \
+	    'This slows down the emulator.)'
+	printf "#define TRACE_NULL_CRASHES\n" >> config.h
+fi
+
+
 #  Cache emulation:
 if [ z$CACHES = zYES ]; then
 	echo 'Enabling Cache emulation. (EXPERIMENTAL)'
@@ -859,6 +808,23 @@
 rm -f _testr.[co] _testr
 
 
+#  strlcpy missing?
+printf "checking for strlcpy... "
+printf "#include <string.h>
+int main(int argc, char *argv[]) { char *p; char *q; size_t x;
+  x = strlcpy(p, q, 50); return 0;}\n" > _tests.c
+$CC $CFLAGS _tests.c -o _tests 2> /dev/null
+if [ ! -x _tests ]; then
+	printf "missing, using mystrlcpy\n"
+	printf "#define strlcpy mystrlcpy\n" >> config.h
+	printf "#define strlcat mystrlcat\n" >> config.h
+	printf "#define USE_STRLCPY_REPLACEMENTS\n" >> config.h
+else
+	printf "found\n"
+fi
+rm -f _tests.[co] _tests
+
+
 #  strtoull missing?
 printf "checking for strtoull... "
 printf "#include <stdlib.h>
@@ -1134,43 +1100,6 @@
 printf "Regression test setup: (not really needed to build gxemul)\n"
 
 
-##  64-bit HPPA cross-assembler:
-#
-#HPPA=''
-#if [ z$ENABLEHPPA = zYES ]; then
-#	printf "Checking for a GNU cross-assembler for 64-bit HPPA... "
-#	echo 'nop' > _testprog.s
-#
-#	for HPPA_TRY in hppa64-unknown-elf hppa64-elf; do
-#		printf '#!/bin/sh\n'$HPPA_TRY'-as _testprog.s' > _test.sh
-#		printf ' -o _testprog.o\n' >> _test.sh
-#		chmod 755 _test.sh
-#		rm -f _testprog.o
-#		./_test.sh > /dev/null 2> /dev/null
-#		if [ -f _testprog.o ]; then
-#			HPPA=$HPPA_TRY
-#			break
-#		fi
-#		rm -f _testprog.o
-#	done
-#
-#	if [ z$HPPA = z ]; then
-#		echo "none"
-#	else
-#		echo $HPPA"-gcc"
-#	fi
-#fi
-#rm -f _testprog* _test.sh
-#
-## TODO: are these ok?  64-bit mode!
-##echo "HPPA_CC="$HPPA"-gcc -g -O2 -fno-builtin -fschedule-insns" \
-##	>> _Makefile.header
-#echo "HPPA_AS="$HPPA"-as " >> _Makefile.header
-#echo "HPPA_LD="$HPPA"-ld -Ttext 0xa800000000030000 -e main" \
-#    "--oformat=elf64-bigmips" >> _Makefile.header
-#echo "" >> _Makefile.header
-
-
 #  64-bit MIPS cross-compiler:
 
 MIPS=''